http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CH-539011-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-38 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-38 |
| filingDate | 1967-07-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c5e70d3ccafb9aebc2fd562549e22322 |
| publicationDate | 1973-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CH-539011-A |
| titleOfInvention | Process for the preparation of a, B-dihaloacrylic acids or their salts |
| abstract | A dihalomaleic acid (pref. di-Br-, di-Cl- or di-I-maleic acid) or an anhydride, acid salt, ester or hemiester thereof (I) is heated at 110-180 (pref. 120-140) degrees C in the presence of a solvent consisting of or containing H2O. Pref. the solvent is H2O or (only when (I) is dihalomaleic acid or an acid salt thereof) is an inert non-aqueous solvent e.g. alcohol, 2-8C ether, 3-8C ketone, 2-7C nitrile or dimethyl sulphoxide. Advantage is the comparative cheapness of starting material and the low temp. |
| priorityDate | 1966-07-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 51.